KR101985062B1 - 자동차용 언더커버의 제조방법 - Google Patents
자동차용 언더커버의 제조방법 Download PDFInfo
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- KR101985062B1 KR101985062B1 KR1020160182183A KR20160182183A KR101985062B1 KR 101985062 B1 KR101985062 B1 KR 101985062B1 KR 1020160182183 A KR1020160182183 A KR 1020160182183A KR 20160182183 A KR20160182183 A KR 20160182183A KR 101985062 B1 KR101985062 B1 KR 101985062B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
- B29C65/1406—Ultraviolet [UV] radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Body Structure For Vehicles (AREA)
- Laminated Bodies (AREA)
Abstract
Description
도 2은 본 발명의 일 실시예에 따른 자동차용 언더커버의 제조방법의 절차도를 나타낸다.
도 3는 본 발명의 다른 일 실시예에 따른 자동차용 언더커버의 제조방법의 절차도를 나타낸다.
도 4는 본 발명의 또 다른 일 실시예에 따른 자동차용 언더커버의 제조방법의 절차도를 나타낸다.
도 5는 종래 자동차용 언더커버의 제조방법으로 제조된 언던커버에 대한 박리시험 결과에 관한 사진이다.
도 6은 본 발명의 일 실시예에 따른 자동차용 언더커버에 대한 박리시험 결과에 관한 사진이다.
도 7은 본 발명의 일 실시예에 따른 자동차용 언더커버에 대한 박리시험 결과에 관한 사진이다.
도 8은 자동차용 언더커버에 대한 하중 탈거력 시험방법에 관한 그림이다.
도 9는 자동차용 언더커버에 대한 하중 탈거력 시험방법에 관한 그림이다.
도 10은 종래 자동차용 언더커버의 제조방법으로 제조된 언던커버에 대한 젖은 노면에서의 박리 실험을 진행한 결과에 관한 사진이다.
도 11은 본 발명의 일 실시예에 따른 자동차용 언더커버에 대한 젖은 노면에서의 박리 실험을 진행한 결과에 관한 사진이다.
도 12는 본 발명에 의한 자동차용 언더커버의 제조방법으로 제조된 자동차용 언더커버의 일부분의 단면도를 나타낸다.
비교예 1 | 실시예1 | 실시예2 | |
박리강도(N) | 2.3N | 13N | 박리불가 |
비교예 1 | 실시예1 | 실시예2 | |
탈거력(kgf) | 57.5 | 90 이상 | 90 이상 |
비교예2 | 실시예3 | |
마른상태 | 3 | 5 |
젖은상태 | 5 | 5 |
12 : 부직포, 13 : 필름층,
14 : PET 스크림층.
Claims (12)
- 수지에 유리섬유가 함침된 LWRT 소재를 시트 형태로 언더커버 기재를 형성하는 단계(S1);
상기 언더커버 기재의 상부나 하부 또는 상부와 하부에 부직포와의 결합을 위한 필름층을 형성하는 단계(S2);
상기 언더커버 기재의 상부나 하부 또는 상기 필름층의 상부에 PET 스크림층을 형성하는 단계(S3);
부직포를 형성하는 단계(S4);
상기 언더커버 기재의 상부나 하부 또는 상기 언더커버의 기재의 상부와 하부에 상기 부직포를 적층하는 단계(S5);
상기 언더커버 기재와 상기 언더커버 기재에 적층된 부직포를 가열 및 가압하는 단계(S6);
가열 및 가압된 상기 언더커버 기재와 상기 언더커버 기재에 적층된 부직포를 재가열하는 단계(S7);
상기 재가열된 상기 언더커버 기재와 상기 언더커버 기재에 적층된 부직포를 금형에서 언더커버로 성형하는 단계(S8);
성형된 언더커버를 최종 언더커버에 부합하도록 트리밍하는 단계(S9); 및
상기 최종 언더커버를 포장하는 단계(S10);를 포함하되,
상기 언더커버 기재를 형성하는 단계(S1)에서 상기 수지는 폴리에틸렌(PE), 폴리아리미드(PA), 폴리카보네이트(PC), 폴리부탈렌테레프탈레이트(PBT), 폴리에틸렌테레프탈레이트(PET), 폴리페닐렌옥사이드(PPO), 폴리페닐렌에테르(PPE), 폴리에테르이미드(PEI) 및 이들의 혼합물로 이루어진 군에서 선택된 어느 하나를 포함하고,
상기 부직포를 형성하는 단계(S4)에서 상기 부직포는 평량이 70 내지 110g/㎡이고, PE(폴리에틸렌) 또는 PE(폴리에틸렌) 분말, PET(폴리에스터), LM 화이버(Low Melting fiber), LDPE(저밀도 폴리에틸렌, Low-density polyethylene) 및 이들의 혼합물로 이루어진 군에서 선택된 어느 하나를 포함하며,
상기 가열 및 가압 단계(S6)는 상기 언더커버 기재와 상기 언더커버 기재에 적층된 부직포를 170℃ 내지 200℃에서 3 내지 5초(sec)의 시간 동안 직접 가열 및 상기 언더커버 기재와 상기 언더커버 기재에 적층된 부직포를 120Kgf/㎠ 내지 150 Kgf/㎠의 압력으로 3 내지 5초(sec)의 시간 동안 직접 가압하고,
상기 재가열 단계(S7)는 복사열을 이용하여 가압 및 가열된 상기 언더커버 기재와 상기 언더커버 기재에 적층된 부직포를 간접 가열을 통해 재가열하는 것을 특징으로 하는 자동차용 언더커버의 제조방법.
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Priority Applications (2)
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KR1020160182183A KR101985062B1 (ko) | 2016-12-29 | 2016-12-29 | 자동차용 언더커버의 제조방법 |
PCT/KR2017/015637 WO2018124768A1 (ko) | 2016-12-29 | 2017-12-28 | 자동차용 언더커버의 제조방법 및 이를 통해 제조된 언더커버 |
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KR102372331B1 (ko) * | 2021-09-03 | 2022-03-08 | 신성기 | 차량 엔진용 언더커버의 제조방법 |
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JP2003112661A (ja) | 2001-10-02 | 2003-04-15 | Toyoda Gosei Co Ltd | 車両用外装材及びそれを用いた外装品並びにその成形方法 |
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JP2000264255A (ja) * | 1999-03-16 | 2000-09-26 | Mitsuiya Kogyo Kk | フェンダーライナ |
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KR20130107627A (ko) * | 2012-03-22 | 2013-10-02 | 현대자동차주식회사 | 차량용 언더커버와 그 제조방법 |
KR20140042982A (ko) * | 2012-09-28 | 2014-04-08 | 엔브이에이치코리아(주) | 차량 외장용 고흡음성 언더커버 |
KR101626320B1 (ko) * | 2014-12-19 | 2016-06-02 | 한화첨단소재 주식회사 | 글래스 화이버가 함유된 lwrt를 이용한 언더커버 |
KR101626327B1 (ko) | 2015-01-06 | 2016-06-02 | 한화첨단소재 주식회사 | 스크랩을 활용한 흡음성능이 향상된 언더커버 |
KR101713765B1 (ko) * | 2015-04-30 | 2017-03-09 | 주식회사 에스에이치글로벌 | 간접 예열 방식을 사용하는 발포필름을 포함하는 성형품의 제조방법 |
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2016
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JP2003112661A (ja) | 2001-10-02 | 2003-04-15 | Toyoda Gosei Co Ltd | 車両用外装材及びそれを用いた外装品並びにその成形方法 |
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